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Finding the Fourth Proportional to 73,073,019, 100,840,731.18 and 43,704,351

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Solution

The fourth proportional to 73,073,019, 100,840,731.18 and 43,704,351 is: 60,311,983.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,073,019 : 100,840,731.18 = 43,704,351 : x
  2. Step 2: Convert to fraction form
    73,073,019/100,840,731.18 = 43,704,351/x
  3. Step 3: Cross multiply
    73,073,019x = 100,840,731.18 × 43,704,351
  4. Step 4: Simplify right side
    73,073,019x = 4,407,178,710,587,364.50
  5. Step 5: Solve for x
    x = 4,407,178,710,587,364.50/73,073,019
  6. Step 6: Final answer
    x = 60,311,983.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.